darwin opened the stomachs of several amblyrhynchus cristatus, marine iguana and he found

mainly minced seaweed

On dry islands, like Hood Island, the tortoises have what?

Shells that are turned up like a Spanish saddle and poorly tasting meat compared to other tortoises.

According to Darwin, what is by far the most remarkable feature in the natural history of the Galápagos Islands?

That a different set of animals and plants inhabit each of the islands.

the birds that live on the islands are surprisingly

tame

Darwin writes that he sees evidence for that great fact--that mystery of mysteries. What was he talking about

the first appearance of new speices on earth

the galapagos islands are compromised of what type of relatively young rocks

basalt

Darwin said this about the animals that he found living on the islands of the Galapagos, "Most of the organic productions (animals and plants) are aboriginal (native) creations" but they are all _____

similiar to those plants and animals that live in South America

Darwin found 13 species of Finches. What about these birds seemed most curious to him?

The shape and size of their beaks.

After examining the geology and the lava flows of the Galapagos Islands, Capt. Fitz Roy and Darwin came to the same conclusion. What did they both agree on about the islands?

That the Galapagos Islands was much younger than the mainland of South America.

After leaving the Galapagos Islands, Darwin begin to examine the finches and he was

able to arrange the birds in order of their beak size from slender beaks to large beaks.

What antediluvian creature did Darwin ride?

The Galapagos tortoise

At dinner, the Vice-governor told Darwin that he could do something that astonished Darwin. What did the vice governor tell Darwin?

The he could tell what island the tortoise lived on by examining a tortoise's shell.

Darwin considered that this aspect of the natural history of Galapagos Islands to be by far the most remarkable and unexpected discovery of the trip. What was so remarkable and unexpected?

That a different set of animals and plants inhabit the each of the islands

What was the difference between terrestrial birds and marine birds found on the Galapagos Islands?

Marine birds are similar to marine birds found else where in the world and therefore are not native to the Galapagos. Most terrestrial birds were native to the Galapagos Islands and found nowhere else.

are there true woodpeckers living on the galapagos islands

no. there are woodpecker finches

Because this bird cannot land on water and it is able to fly more than 1000 miles it is one of the best candidates to bring seeds to a newly formed island. What is the name of this bird?

Frigate Birds

What is so unusual about the fur seals in the Galapagos Islands.?

they shouldn't be there because the Galapagos is located on the equator and fur seals live in low latitudes and in much colder environments.

Darwin’s original hypothesis has ----------, and the central concepts -------------.

undergone extensive modification and expansion ------stand firm

what type of structures are used to explain common descent

homologous structures

which scientist manuscript convinced darwin to rush the origin of species into publication

alfred russell wallace

which mechanism is responsible for evolution

natural selection

which scientific work does darwin rely on for his theory of the struggle of existence

malthus's principle of population growth

What term did Darwin use to describe evolution?

Descent with modification

which of the following is not an example of an advantageous variation

the bright coloring of animal allows its predators to find it easily

what is an ex of a trait that might have been perpetuated through sexual selection